Operation - Epson TF-20 Reference Manual

2.4 Operation

(1) DIP switch setting of the HX-20
Before starting up, DIP switch 4 of the HX-20 must be turned ON If it is
not turned ON, you will not be able to boot Disk BASIC even if the TF-20
units are correctly connected to the HX-20.
(2) Turning the power ON and OFF
The power of the HX-20 must be turned ON after power has been applied
to all the terminals The power of the HX-20 must be turned OFF before
turning OFF the power of any of the terminals
Remove any disks set in the TF-20 before turning the power ON or OFF.
(3) Setting disks in the disk drive
The procedure for setting disks in the disk drive is as follows
STEP 1
Insert the disk into the disk drive so that the write protect notch is at the
top of the disk and the identification label is facing right.
Fig.2.5 Setting Disks in the Drive
2-4
STEP 2
When the disk is inserted, you will hear a sound as the eject lock lever
catches
STEP 3
Press the push button slowly and carefully to the ON position. The disk
now set in the drive
Push button OFF' '
Fig. 2.7 Push Button
Push button ON